The prince asked his driver to pull over so that he could talk with the 3- and 4-year-old children during a 45-minute journey between outings on the island.

On Wednesday, spotting the kids taking shelter in the school from a heavy rain shower, Harry stopped the convoy and chatted with them, as well as posed for pictures with the kids and their teachers.

Esther Hughes, the head teacher of the Half Way Tree pre-school, told reporters, “This is so kind of him. I really didn’t expect this. It makes me feel very good about him.”

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“These children are never going to forget this,” Hughes added. “They will remember it when they are old.”

And another, Octavia Brookes, 38, said he reminded her of his late mother, Princess Diana.

“She was just like him — he’s just like his mum, friendly in the same way,” she said. “It is so nice meeting him.”

The prince turned on the charms as he danced along at a cultural show and drummed with a group of youngsters.

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Harry, dressed formally in a suit and tie as he unveiled Saint Kitts and Nevis’ contribution to the Queen’s Commonwealth Canopy Project, walked between dancers dressed in elaborately-colored outfits of strips of fabric, bells, glass and peacock-feather headdresses. He joined with a jig and pointed to other performers taking part in the show on the magnificent UNESCO world heritage site Brimstone Hill Fortress.

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And during the show, he took part in some drumming after performers brought an instrument to him in his seat.

Harry arrived from Antigua and Barbuda on the Royal Navy’s tanker the RFA Wave Knight. Saint Kitts and Nevis is the second stop of the seven-nation tour of the Caribbean that is taking place over about two weeks.